Motorcycle



FIG. 1 is a left side elevational view of a motorcycle showing my new design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is a bottom, left side perspective view thereof;

FIG. 5 is a right, rear perspective view thereof; and

FIG. 6 is an enlarged fragmentary top perspective view thereof illustrating the steering elements and instrument panel. 

The ornamental design for a motorcycle, as shown. 